CO2 and RH/T Sensor Module

For HVAC and Air Quality Applications

CMOSens® Technology for IR detection enables highly accurate carbon dioxide measurement at a competitive price. Along with NDIR measurement technology for CO2 detection, a best-in-class Sensirion humidity and temperature sensor is also integrated on the same sensor module. Ambient humidity and temperature can be outputted by Sensirion's algorithm expertise through modelling and compensation of external heat sources without the requirement of any additional components.

Product Highlight

Liquid Flow Sensor for Biomedical Applications

The single-use liquid flow sensor LD20 enables fast, precise and reliable measurement of the lowest flow rates. The new flow sensor series is based on a successful design study that was first presented in 2014 and has already received several international awards. Product development of the LD20-2600B, the first representative of the new single-use sensor series, is now complete and it is ready for high-volume production. The intelligent, compact and cost-effective sensor is suitable for a wide range of biomedical applications in the field of critical and home care.

Our Markets

Experts for Smart Sensor Solutions

Sensirion's sensors are used in a wide range of markets and different applications. Our high-quality environmental and flow sensors and sensor solutions improve energy efficiency and sustainability. They increase our safety, support our health and raise the quality of life.

Sensirion – The Sensor Company

Sensirion Worldwide

Founded in 1998 Sensirion has become the leading manufacturer of flow and environmental sensors solutions. The company now employs people in various countries such as the USA, South Korea, Japan, China, Taiwan, and Germany. The headquarters in Switzerland is responsible for research, development, and production.

Sensirion develops and produces intelligent sensor solutions for greater efficiency, comfort and health, and provides millions of sensors to international companies. But how are sensors actually made? ...

Sensirion, ranked the second best employer in Switzerland in 2017 by Great Place to Work®, is now drawing attention to its vacancies with brand-new job listings. Instead of using bullet points, the ...

Sensirion stands for state-of-the-art technology, innovation and outstanding performance. The Swiss company is the global leader in the manufacture of high-quality sensors and software solutions for ...

Employees are given a lot of responsibility - ​95% of all Sensirion employees agree with this statement. Learn more about the anonymous employee survey by Great Place to Work® and what our employees ...

Sensirion offers students and graduates interesting internship opportunities in a wide range of fields. At the moment, 13 internships are open. At Sensirion, all research, development and production ...

Sensirion places a high value on promoting young talents and enables them the first step for future careers. Therefore, the high-tech company offers professional apprenticeships in various areas and ...

Sensirion places a high value on promoting talent in the technical and scientific disciplines, which is why the high-tech company helped support the Swiss Talent Forum organized by “Schweizer Jugend ...

Recently, the first Friday beer special took place for members of our Sensirion alumni group. After a greeting by our CEO and a quick update from the management team about new projects and products, ...

Sensirion employees make the world a better place every day. But what do the headquarters in Stäfa along Lake Zurich actually look like? Where do Sensirion employees work and where do they eat lunch ...

The new Skybar recently opened on the roof terrace at the Sensirion office in Stäfa, Zurich. Both the bar and the renovation of the terrace were celebrated with a Friday beer and delicious regional ...

In May 2017, Sensirion was named the second-best employer in Switzerland in the Large Company category by Great Place to Work®, the expert for workplace culture and employer attractiveness. But that’s ...

The doors of this year’s Sensor + Test will stay open until Thursday, June 1. Trade fair visitors will be able to see our latest sensor solutions on site and test them out using our demonstrators – ...

A year ago, Fabian Weller was traveling the world and wrestling with whether he wanted to obtain a doctorate in physics to follow up his master’s or start a career in the industrial sector. He applied ...

An internship at Sensirion is exemplified by mastering challenging tasks, integrating your own ideas and learning new things. At Sensirion, interns can take responsibility and shape exciting projects ...

As demonstrated repeatedly by our numerous customers from various industries, our sensors can be used in countless applications and innovative products. Our employees also come up with their own ideas ...

Julia Bürkli earned her master’s degree in physics at ETH at the end of 2011. Soon after, she started her career as a development engineer in Sensirion’s Sensor Innovation department, where she is now ...

Last week, Sensirion was named the second-best employer in Switzerland by Great Place to Work®. To celebrate this achievement and thank all our employees for their outstanding corporate culture, fair ...

Sensirion and its 20-year history of success originated with a single innovative idea. In order to build on this success, new ideas and products are needed that help provide energy efficiency, safety ...

Visit us on May 10, 2017 for the Tech Career Day at the University of Applied Sciences and Arts Northwestern Switzerland in Brugg-Windisch. We are happy to answer any questions you have about various ...

Sensirion is one of the most popular employers for students and recent graduates in the fields of engineering sciences, information technology and natural sciences in Switzerland, as demonstrated by a ...

At Sensirion, we care as much about having fun together as we do about teamwork. That’s why so many of our employees participate in our midday soccer and floorball training sessions, and play table ...

Pascal Sachs is a software engineer in the “Mobile Software” department at Sensirion. Together with his team, he develops a wide range of software solutions, from desktop to cloud applications. Learn ...

Wouldn’t it be great if headphones automatically turned off as soon as you took them out of your ears? Not only would they stay charged longer, you also would not miss the most exciting part of that ...

Sensirion employs more than 550 employees in Staefa alone. One is always the first to arrive in the morning and last to leave in the evening. He never takes vacations and does not ask to be paid for ...

Rob Teng has been working with electronic chips since he was a student in Holland. Indeed, it was his fascination for chips that led him to Sensirion nearly five years ago, where he currently assists ...

Since moving its headquarters to Stäfa, Switzerland, Sensirion has continued to grow. In 2011, a second building only 450 meters away was rented to help accommodate this growth, and which now houses ...

Since all Sensirion sensors, from research and development to production, are manufactured in Staefa, Zurich, the various work procedures and methods are combined at the headquarters. Laboratories are ...

For Sensirion, optimal and gapless customer service around the globe and strong regional teams with the relevant technical support options are very important. In order to strengthen its international ...

Would you like to be part of our success story and contribute to better health and quality of life? Sensirion is always looking for new, motivated employees to develop sensor solutions with us for a ...

Sensirion wishes all students a great start to the 2017 spring semester. If you would like to gain your first experiences in the workplace during the course of your studies, register for the Sensirion ...

Innovation and customer satisfaction are two of the most important drivers at Sensirion. Thus, we aim to develop new products that meet customer needs, but also improve existing products. With the new ...

In just under 20 years, a leading global company has grown from a spin-off of ETH Zurich (Swiss Federal Institute of Technology). All the millions of sensors made every year are still developed and ...

Since this winter, you can also recognize our employees on the ski slopes. The reason for it is a special offer where employees could acquire their own Sensirion skis. Many of them are already in use, ...

Sensirion's developer website provides developers with ideas and support to launch their own projects with Sensirion's innovative environmental and flow sensors. The already existing developer website ...

The CMOSens® chip is the core of Sensirion’s sensors and the key to success. The sensor component is combined with the analog and digital analysis electronics on a single tiny CMOS silicon chip. Due ...

Sensirion develops, designs and produces all its sensors as well as the associated production equipment and software at the company’s headquarter in Staefa. In order to make this possible, Sensirion ...

Sensirion is currently offering various internships for students and graduates from the fields of Physics, IT, electrical engineering or related engineering sciences. An internship at Sensirion offers ...

It is almost twenty years since Moritz Lechner and Felix Mayer, both graduates of the Swiss Federal Institute of Technology (ETH), took the step into the unknown and founded their own start-up. With ...

In recent decades, miniaturization in semiconductor technology has made a significant contribution to the success of modern electronics in many areas of our lives. Neither modern office computers nor ...

Samuel Wehrli has held various positions with Sensirion since 2007. Previously, he studied physics at EPFL and then completed a PhD in theoretical solid-state physics at ETH Zurich. In an interview ...

Sensirion produces intelligent sensor solutions for greater efficiency, comfort and health, and provides millions of sensors to international automotive and medical technology companies. But how are ...

You want to know what is going on at Sensirion at the moment or where our sensors find applications? Our job newsletter will be published next week and offers you interesting background information ...

Innovation is what drives Sensirion’s success. Together with our employees, we have achieved a diverse array of milestones in recent years, further refining our humidity and temperature sensors, which ...

Are you interested in a career with a leading high-tech company, or would you like to learn more about our range of job profiles? Then visit us in October at the EPFL Forum in Lausanne or at the “AMIV ...

Sensirion continues to be one of the most popular Swiss employers for professionals with backgrounds in technology and natural sciences, according to the 2016 Swiss Professional Survey carried out by ...

Sensirion's liquid sensors analyze blood samples and help doctors improve patients' treatment. And this is just one of Sensirion's applications in medical technology. Sensirion stands for innovative ...

Our employees achieve exceptional things every day, and Sensirion is dedicated to supporting them in every possible way. That includes giving them the opportunity to pursue activities that represent a ...

At Sensirion, coming to work on the train pays off in more than one way. Not only do employees who travel to and from work with public transportation receive generous discounts on tickets, they also ...

At the annual karaoke event at Sensirion’s headquarters, music enthusiasts and amateur singers come together – either as soloists or bands – to put their singing talents on display. Participants can ...

Our employees from the departments Smart Energy and Gas Metering show full effort not only at work, as they have proven at their yearly team event, for which they went paddling on Lake Zurich. With a ...

Do you have a passion for technology and electronics and enjoy creative thinking? Then Sensirion may have the perfect career opening for you. Once again this year Sensirion is offering two exciting ...

For occupation of career openings, Sensirion can always count on the support of their employees and get new colleagues through the employee referral program. A study paper from ZHAW proves that the ...

Lucca Wirz has absolved his apprenticeship as a design engineer at Sensirion and has now successfully passed his final examination. We congratulate Lucca on this success and wish him all the best for ...

At Sensirion, team spirit is central not only at work. Our employees meet together regularly for sport, for example at our weekly lunchtime football matches. In the nearby sports field, professionals ...

The development and production of our sensors requires various highly complex process steps. The work is always conducted with the highest precision and care. After all, a speck of dust can render a ...

Our job newsletter, which will come out next week, once again provides exciting glimpses behind the scenes at Sensirion. Thomas Bittner, Team Leader in the Mircromachining department, talks about his ...

This year's UEFA European Championship in France is naturally a constant topic of conversation at Sensirion. Whether in the context of the company betting pool, nerve-wracking football tournaments or ...

A lot of preparation and work is necessary before a product is ready to be launched. As a Product Manager in the Liquid Flow department, you'll be responsible for actively managing products from their ...

All of Sensirion’s sensors are developed and produced at the headquarters in Switzerland. We therefore offer a variety of job profiles. Have you always wanted to know what a Process Engineer does or ...

We do everything we can to ensure that our employees are able to use their skills from day one, and contribute their talents in their own projects. That’s why we have developed a special program for ...

In large buildings, it is often difficult to achieve a comfortable interior climate. Various environmental factors and features of the technical infrastructure have to be taken into account. With our ...

All sensors and sensor solutions from Sensirion guarantee outstanding performance and optimal customer benefits. The basis of all of our products is the unique CMOSens® Technology, which enables the ...

Every day, millions of people around the world receive intravenous infusion therapies. Often, drug delivery is controlled by an intelligent infusion pump, which is an enormous help to hospital staff. ...

In our competition, visitors to our stand at various university fairs had the opportunity to demonstrate their skills at guessing the number of sensors in a glass and win two vouchers for the brunch ...

Thanks to many years of experience in developing and supplying environmental sensor solutions, Sensirion is the leading supplier of innovative sensor solutions in various markets. Sensirion offers its ...

Would you like to see our production department, or visit our R&D facilities? Sensirion regularly invites students and graduates on a tour of the company. This gives you the opportunity to get to know ...

What makes a good application? How do you convince the recruiting manager in a job interview? Constanze Haibach, Recruiting Manager at Sensirion, explains in Talendo’s career magazine, why students ...

Until Thursday, Sensirion is exhibiting at the Sensor+Test in Nuremberg. Here, we are presenting our innovative products and sensor solutions for measuring gas and liquid flow, differential pressure, ...

At this year’s „Sensor+Test 2016“ in Nuremberg, Sensirion is presenting the new SHT35 humidity sensor – the most accurate digital sensor of the versatile SHT3x series. The new SHT35 is the high-end ...

Staying refreshed is key to good performance. That’s why Sensirion provides free coffee, tea and fresh fruit for its employees throughout the day, and ensures that everyone is able to get a healthy, ...

Due to the demanding requirements in terms of precision and cost-effectiveness, the measurement of gas flow in sectors such as the automotive industry and medical technology is a challenge. Over the ...

As a System Engineer at Sensirion, Sven ensures that the entire IT infrastructure and its associated systems are always in good working order and up to date. Therefore it is important that Sven and ...

You want to know what is going on at Sensirion at the moment or where our sensors find application? Our job newsletter, which will be published next week, offers you interesting background information ...

Our sensors and sensor solutions (for the measurement of humidity, temperature and differential pressure) are used in a wide variety of markets, including the households of private buildings. They not ...

Our employees are always in a sporty manner. On a regular basis, they come together for a good game of tennis or a bike ride along Lake Zurich. Furthermore, we organize a table tennis tournament once ...

Are you interested in a career with a leading high-tech company, or would you like to learn more about our diverse range of job profiles? Then visit us in April at the “NTB Stellenbörsentag” in Buchs, ...

Once again, our annual ‘Sensirion Jass’ took place at the Sensirion headquarters. Beginners as well as advanced players had the chance to prove their skills in a pleasant atmosphere. Nevertheless the ...

Our society’s demand for better comfort is rising inexorably. With its sensors and sensor solutions, Sensirion strives to satisfy that demand; for example, in the field of building technology, where ...

With its unique sensors and sensor solutions, Sensirion is the leading player in various forward-looking markets; for example, in the automotive industry, where our sensors ensure greater safety and ...

Dear prospective applicants,

What makes Sensirion special? We're dedicated to making fairness and honesty the foundation of all the work we do together. We value mutual respect and the willingness to look for solutions together. We're also convinced that employees should have as much freedom as possible and be given responsibility for the work they do. Since our founding, we have held fast to these principles and fought to preserve them. We're proud that a company as large as Sensirion still abides by these values. Of course, no company is perfect and things can and do go wrong at times in our day-to-day work. But the positive feedback we receive from our employees assures us that we're on the right track...